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Sold in Quantities of:
12 unit(s)
ALB Price: $7.97 per item
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 Quick Quote

40W T12 UBend 6 Inch Cool White 4100K 24004 FB40/CWX/6 Sylvania T12 Ubend Curvalume fluorescent lamp. This lamp is 4100K Cool white deluxe. The spread between the ends is 6 inches.

Save energy and improve light quality with these Sylvania LEDVANCE Curvalume T12 U-Bend lamps. Ideal for high-output applications such as outdoor signs, large retail stores, and warehouses, these long-lasting lamps are an outstanding value. With a 4100K color temperature, these lamps provide a natural, aesthetically pleasing cool, white light.

Quality T12 Lamps

  • Sylvania LEDVANCE Curvalume products are known for their reliability
  • Fluorescent lamps for efficient energy consumption
  • 20000-hour lifespan keeps maintenance and replacement costs down
  • 40W
  • 4100K cool, white light
  • Universal burn position
  • 86 CRI provides accurate light that’s pleasing to the eye
  • T12 bulb shape with medium bi-pin G13 base
  • 22.5” x 1.5”

Knowledgeable Lighting Experts

Don’t go into your lighting purchase blind. Not only do we offer brand-name products for the lowest prices, but our customer service is truly second to none. Customer satisfaction is our guarantee, and we’ll always go the extra mile to make sure that you’re happy. With over 30 years of experience, our specialists have the technical knowledge to help you make an informed decision.

Fast and Easy Online Ordering

We’re confident that you won’t find a better deal on Sylvania LEDVANCE Curvalume products. To speak with a friendly and helpful team member, call 1-888-988-2852 or message us online for a prompt response. Browse our wide selection of quality lighting solutions, and place your order through our secure website today.

This Item Replaces

This product is a direct replacement for the following items:
  • FB34/CW/6/SS/ECO
  • FB40/CWX/6
  • SYLVANIA FB40/CWX/6 24004


Minimum Qty 12
Brand Sylvania LEDvance
Technology Fluorescent
Actual Wattage 40
Equivalent Wattage
Lumen Output
Lumens Per Watt
Color Temperature (Kelvin) 4100
Color Rendering Index 86
Light Color
Bulb Shape T12
Base Type Medium Bi-Pin (G13)
Burn Position Universal
Beam Degrees
Ansi Code
Ballast Factor
Ballast Start Type
Useful Life Hours 20000
Dimmable No
Outdoor Rated No
DLC Certified No
LDL Certified No
LM79 Certified No
LM80 Certified No
TM21 Certified No
Energy Star Rated No
Manufacturer Code
Manufacturers Notes
Diameter (Inch)
Dimensions (Inch) 22.5(Length) • 1.50(Width) • (Height)


Lead Time:
IN STOCK – Same Day Shipping (order by 4PM ET M-F)

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